1.

The formulae of Teflon and Freon are respectively

Answer»

`C C l_(2) F_(2)` and `( C_(2) F_(4))_(n)`
`(C_(2) F_(4))_(n)` and `CHClBr_(2)`
`(CF_(4))_(n)` and `C C l_(2) F_(2)`
`(C_(2)F_(4))_(n)` and `C C l_(2) F_(2)`

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